光谱学与光谱分析 |
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Study on the Determination of Trace Cadmium in Serum by GFAAS |
FENG Shang-cai |
Department of Chemistry of Linyi Teachers′ College, Linyi 276005, China |
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Abstract Based on the self-absorption background correction method, HNO3-K2HPO4 was used as matrix modifier in the direct GFAAS determination of trace amounts of cadmium inserum. Optimum conditions for the determination were studied thoroughly. The linear range and the recovery were 0-5 μg·L-1 and 97.8%-102.5%,respectivly,with the characteristic mass of 4.38×10-11g.
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Received: 2003-01-08
Accepted: 2003-06-21
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Corresponding Authors:
FENG Shang-cai
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